Introduction - Sharp COMPET-221 CS-221A Instruction Manual

INTRODUCTION
Sharp's amazing CS-221A electronic calculator using MSls and ICs marks another major
advance in modern business methods. Years of pioneering research and resourcefulness
in electronic engineering has enabled Sharp to develop an exceptionally remarkable
desk calculator.
The CS-221A is thoroughly reliable and carries out complicated calculations with ama­
zing speed and efficiency. This booklet has been prepared to give current users and
prospective buyers a detailed understanding of the scope and breadth of the machine's
operation.
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